diff --git a/test/helpers.hpp b/test/helpers.hpp
index 10e8cd7..1b5486e 100644
--- a/test/helpers.hpp
+++ b/test/helpers.hpp
@@ -61,11 +61,12 @@
                     sd_bus_emit_properties_changed_strv(IsNull(), StrEq(path),
                                                         StrEq(intf), NotNull()))
             .Times(properties.size())
-            .WillRepeatedly(Invoke([=](sd_bus* bus, const char* path,
-                                       const char* interface, char** names) {
-                EXPECT_STREQ(properties[(*index)++].c_str(), names[0]);
-                return 0;
-            }));
+            .WillRepeatedly(
+                Invoke([=](sd_bus* bus, const char* path, const char* interface,
+                           const char** names) {
+                    EXPECT_STREQ(properties[(*index)++].c_str(), names[0]);
+                    return 0;
+                }));
     }
 
     return;
diff --git a/test/pid_zone_unittest.cpp b/test/pid_zone_unittest.cpp
index 97b7f10..08f22d1 100644
--- a/test/pid_zone_unittest.cpp
+++ b/test/pid_zone_unittest.cpp
@@ -526,7 +526,7 @@
                 sd_bus_emit_properties_changed_strv(
                     IsNull(), StrEq(objPath), StrEq(modeInterface), NotNull()))
         .WillOnce(Invoke([&](sd_bus* bus, const char* path,
-                             const char* interface, char** names) {
+                             const char* interface, const char** names) {
             EXPECT_STREQ("Manual", names[0]);
             return 0;
         }));
diff --git a/test/sensor_host_unittest.cpp b/test/sensor_host_unittest.cpp
index 8559081..eeccdc1 100644
--- a/test/sensor_host_unittest.cpp
+++ b/test/sensor_host_unittest.cpp
@@ -91,7 +91,7 @@
                 sd_bus_emit_properties_changed_strv(
                     IsNull(), StrEq(objPath), StrEq(interface), NotNull()))
         .WillOnce(Invoke([=](sd_bus* bus, const char* path,
-                             const char* interface, char** names) {
+                             const char* interface, const char** names) {
             EXPECT_STREQ("Value", names[0]);
             return 0;
         }));